KR102278299B1 - Auxiliary shock absorber device - Google Patents

Abstract

According to the present invention, an auxiliary shock absorber device comprises: an upper coupling unit controlling damping force; an elastic body installed between the upper coupling unit and a lower coupling unit; and the lower coupling unit coupled to the elastic body. Elastic force of the elastic body is controlled by the upper coupling unit to control the damping force of a front side or a rear side of a vehicle to maximally restrain rolling of the vehicle or a leaning phenomenon toward any one direction to perform safe driving.

Description

Auxiliary shock absorber device

The present invention relates to an auxiliary shock absorber device, and in order to reduce the difference in the damping force of the front and rear suspensions of all vehicle types, more particularly SUVs, campers, 1-ton trucks, or vehicles converted from existing vehicles into vehicles for camping. Or it relates to an auxiliary shock absorber device installed in the rear suspension to enable driving in a stable state.

In general, a vehicle's suspension system (also called a 'suspension') connects the axle and the body to prevent vibration or shock from the road surface transmitted from the wheels of the vehicle from being directly transmitted to the body when the vehicle is running. , It is a device that prevents damage to the vehicle body or cargo and improves riding comfort.

These suspensions are largely classified into a front suspension and a rear suspension, and among them, a multi-link rear suspension that uses 3 to 5 links to determine the position of the axle is usually applied depending on the vehicle model. can be

In general, a suspension system in a vehicle exists between a vehicle body and a wheel, and by connecting these two rigid bodies using one or a plurality of links, it is supported by springs and hydraulic shock absorbers in the vertical direction, and in other directions. By properly balancing high rigidity and flexibility, it performs the function of properly matching the relative motion between the vehicle body and the wheel mechanically.

Such a suspension system effectively blocks the irregular input of the road surface that occurs while the vehicle is driving and provides a comfortable ride to the occupants, and provides driving convenience by appropriately controlling the shaking of the vehicle body caused by the driver's driving behavior and the curvature of the road surface. , it must satisfy the basic conditions of maintaining the vertical load on the tire tread at an appropriate level when driving on an irregular road surface to secure the controllability and stability of the vehicle during turning and braking operation.

However, in the prior art, a basic suspension system is applied, but there is a limit to alleviating vibrations that occur when driving on uneven road surfaces, and in particular, in the case of a relatively heavy vehicle, such as a multi-seater vehicle or an SUV, the problem is weighted

In order to solve this problem, recently, using at least three links, a multi-link type suspension that can effectively accommodate shock and vibration input from the road surface and vibration of the vehicle body as an ideal kinematic motion. Although the system has been developed and applied to mass-produced vehicles, in this case, the structure or configuration of the suspension system is complicated, and there is a problem in that the space is limited.

'A shock absorber for a vehicle suspension system and an auxiliary device for a vehicle suspension system having the same' of Korean Patent Application Laid-Open No. 2016-0072402 (published on June 23, 2016) as a prior document for solving the above problems is provided in the vehicle and provided outside A shock absorber for a vehicle suspension system for cushioning a shock, comprising: a housing; an internal movable body movably provided in the housing; first and second elastic springs provided on both sides with respect to the internal movable body, and having one end fixed to the internal movable body; an end fixture fixed to one end of the housing and to which the other end of the first and second elastic springs is fixed; a tension adjusting member provided at the other end of the housing and configured to adjust the tension of the spring to which the other end of the first and second elastic springs is fixed; a connection link unit connected to the end fixture; and a movable connection link unit passing through the end moving body and having an end connected to the inner moving body.

The above prior art has a problem in that the installation cost is increased due to the complexity of the configuration as well as the limitation of the space for installation in the vehicle.

In addition, since the above prior art has to be installed in a state in which all the existing suspensions are removed in order to be installed in the lower part of the rear of the vehicle, there is a problem in that the installation cost is increased because the operator cannot install it alone.

Republic of Korea Patent Publication No. 1998-0061306 (published on Oct. 7, 1998) Republic of Korea Patent Publication No. 2011-0013023 (published on Feb. 9, 2011) Republic of Korea Patent Publication No. 2016-0072402 (published on June 23, 2016)

The present invention for solving the problems of the prior art is installed in the front or rear suspension in order to reduce the difference in damping force between the front and rear suspensions of SUVs, campers, 1-ton trucks, or vehicles converted from existing vehicles into vehicles for camping An object of the present invention is to provide an auxiliary shock absorber device that enables driving in a stable state.

Another object of the present invention is to provide an auxiliary shock absorber device that is coupled to a conventional rear shock absorber installed on the front or rear side of a vehicle to adjust a damping force with a suspension installed in the front of the vehicle.

Another object of the present invention is to provide an auxiliary shock absorber device that is independently installed on the front or rear side of the vehicle to adjust the damping force with the suspension installed on the front of the vehicle.

The present invention is a means for achieving the above object,

an upper coupling part for adjusting the damping force; an elastic body installed between the upper coupling part and the lower coupling part; It provides an auxiliary shock absorber device comprising a; lower coupling portion coupled to the elastic body.

The upper coupling part, the elastic body and the lower coupling part of the present invention are coupled to an existing shock absorber and installed in a vehicle.

The upper coupling part, the elastic body, and the lower coupling part of the present invention are coupled to each other, and it is characterized in that it is installed between the front or rear suspension of the vehicle alone without coupling with the existing shock absorber.

By adjusting the position of the upper housing coupled to the upper coupling body of the upper coupling part of the present invention, the damping force is controlled through the elastic force control of the elastic body, thereby suppressing rolling or abrupt tilting in either direction to ensure safe operation. .

The upper coupling portion of the present invention, the upper hollow hole, the screw formed on the outer periphery, the upper housing in which the upper seating groove is formed; an upper coupling body coupled to the upper housing and the elastic body; a fixing nut screwed to the upper housing; and an upper fixture fixed to the upper housing by bolts.

The lower coupling part of the present invention comprises: a lower housing having a lower hollow hole and a lower seating groove; a lower coupling body coupled to the upper end of the lower housing and fixed with an elastic body; a fixing member having a plurality of bushing coupling grooves to which the bushing is coupled to the outer periphery and coupled to the lower through-hole of the lower coupling body; and a lower fixture coupled to the lower end of the lower housing by a bolt.

The present invention relates to an existing shock absorber installed between an SUV, a camper, a 1-ton truck, or a vehicle converted into a vehicle for camping, etc. with a cargo space formed between the vehicle body and the front or rear suspension to provide a damping force of the front and rear suspensions of the vehicle. By adjusting the position of the upper coupling body of the upper coupling part to reduce the difference in damping force, the rolling and tilting phenomenon of the vehicle is suppressed, thereby achieving stable driving.

In addition, since the present invention is coupled to a front or rear shock absorber previously installed in a vehicle, it is easy to install, and there is an effect that is not limited by space according to the installation.

In addition, the present invention has the effect of suppressing the occurrence of rolling and increasing the riding comfort by controlling the damping force of the vehicle by independently installing the vehicle on the front or rear side.

1 is a perspective view showing an auxiliary shock absorber device according to the present invention.
Figure 2 is an exploded cross-sectional view showing the configuration of the auxiliary shock absorber of Figure 1;
Figure 3 is a coupling cross-sectional view showing the coupled state of Figure 2;
Figure 4 is a partial cut-away cross-sectional view showing a state in which the auxiliary shock absorber device of the present invention is combined with the conventional shock absorber.
Figure 5 is an exploded cross-sectional view showing another embodiment of the auxiliary shock absorber device according to the present invention.
6 is an installation state diagram illustrating a state in which the auxiliary shock absorber device of the present invention is installed on the rear side of the vehicle in combination with the existing shock absorber.
Figure 7 is an installation state diagram showing a state in which the auxiliary shock absorber device of the present invention is installed independently.

Hereinafter, the configuration of the auxiliary shock absorber device according to the present invention will be described.

The auxiliary shock absorber device of the present invention is coupled to the upper portion of the existing shock absorber (1) to adjust the damping force, the upper coupling portion 10, the upper coupling portion 10 and the lower coupling portion 30, the elastic body installed between the (20), and the existing shock absorber (1) is combined with the lower coupling portion 30 coupled with the elastic body 20 is configured to include, by the upper coupling portion 10, the elastic force of the elastic body (20) It is characterized in that by controlling the damping force of the front and rear side of the vehicle by adjusting, the rolling or leaning of the vehicle is suppressed as much as possible to ensure safe driving.

The auxiliary shock absorber device of the present invention consisting of the above features will be described in detail with reference to the accompanying drawings.

Figure 1 is a perspective view showing an auxiliary shock absorber device according to the present invention, Figure 2 is an exploded cross-sectional view showing the configuration of the auxiliary shock absorber of Figure 1, Figure 3 is a coupling sectional view showing the coupled state of Figure 2, Fig. 4 is a partially cut-out cross-sectional view showing a state in which the auxiliary shock absorber device of the present invention is combined with an existing shock absorber.

1 to 4 , the auxiliary shock absorber device of the present invention includes an upper coupling portion 10 , an elastic body 20 , and a lower coupling body 32 .

The upper coupling part 10 is coupled to the upper portion of the existing shock absorber 1 or is fixed to the vehicle body.

The upper coupling portion 10 is an upper housing (11-1) formed with an upper hollow hole, a screw formed on the outer periphery, and an upper seating groove 11-1 to which the upper coupling ring (1-4) is coupled to penetrate from the top to the bottom ( 11) is configured, a coupling hole (unsigned) formed to penetrate from the top to the bottom, a screw formed on the inner periphery of the coupling hole, and a coupling protrusion 12-1 are formed at the bottom to form the upper housing 11 and the elastic body ( An upper coupling body 12 coupled to 20 is formed, and a fixing nut 13 screwed to the upper housing 11 is configured to fix the state in which the upper housing 11 is coupled to the upper coupling body 12 . of the upper housing 11 so as to be coupled to the upper end of the upper housing 11 to fix the state in which the upper coupling ring 1-4 is coupled to the upper seating groove 11-1 of the upper housing 11. It consists of an upper fixture 14 fixed to the upper end by a bolt.

The elastic body 20 is installed on the lower portion of the upper coupling portion 10 and the upper portion of the lower coupling portion (30). The elastic body 20 is characterized in that it is a spring.

In more detail, the elastic body 20 has an upper end coupled to the coupling protrusion 12-1 of the upper coupling body 12, and a lower end coupled to the lower coupling body 32, and the upper housing coupled to the upper coupling body 12 ( 11) adjusts the damping force with the front suspension by adjusting the elastic force according to the position.

The lower coupling body is coupled to the lower portion of the conventional shock absorber (1) or is coupled to a U bolt and fixed to a spring clip plate installed under the leaf spring.

The lower coupling part 30 has a lower hollow hole (unsigned) formed to penetrate from the top to the bottom and a lower seating groove 31-1 to which the lower coupling ring 1-2 is coupled, and the lower housing 31 is formed, the lower coupling body 32 to which the elastic body 20 is fixed is coupled to the upper end of the lower housing 31 and fixed by bolts, and a plurality of bushing coupling grooves 33-1 to which the bushing is coupled to the outer periphery. and a fixing member 33 coupled to the lower through-hole of the lower assembly 32 is configured, and the lower coupling ring 1-2 of the existing shock absorber 1 has a lower seating groove 31- of the lower housing 31 1) and coupled to the lower end of the lower housing 31 by a bolt so as to fix the lower coupling ring 1-2 coupled to the lower seating groove 31-1 of the lower housing 31. and a fixture 34 .

And the fixing member 33 can be selectively used according to the type of vehicle in which the auxiliary shock absorber device of the present invention is installed or the length of the elastic body 20 installed between the upper coupling body 12 and the lower coupling body 32. And, it is preferable to couple the elastic body 20 in a state coupled to the lower coupling body 32 as much as possible.

The auxiliary shock absorber device of the present invention is not limited as shown in FIGS. 1 to 4, and the configuration may be different depending on the type of vehicle. As an example, the configuration will be described with reference to the configuration shown in FIG. 5 .

Figure 5 is an exploded cross-sectional view showing another embodiment of the auxiliary shock absorber device according to the present invention.

Referring to FIG. 5 , the auxiliary shock absorber device of the present invention includes an upper coupling part 10 , an elastic body 20 and a lower coupling part 30 .

The upper coupling part 10 is composed of an upper housing 11, an upper coupling body 12, and a fixing nut 13, and the upper coupling body 12 and the fixing nut 13 are the same as those of FIGS. 1 to 4 Therefore, the description of the configuration will be deleted.

However, since the shape of the upper end of the upper housing 11 is different from that of FIGS. 1 to 4 , only the configuration thereof will be described.

At the upper end of the upper housing 11, an upper seating groove 11-1 of a rectangular shape with an open upper portion is formed so that the upper end of the shock absorber can be seated.

And the lower coupling part 30 is formed of the lower housing 31 and the fixed body (35).

The lower housing 30 has a lower hollow hole penetrating from the upper part to the lower part, and has a cylindrical shape, and a lower coupling protrusion 31-2 to which the elastic body 20 is coupled is formed at the upper end.

A support rod 31-3 is formed on one side of the lower housing 31, and the support rod 31-3 is predetermined to stably support the elastic body while avoiding contact with the components constituting the suspension installed in the vehicle. formed in length. A bolt hole is formed at the end of the support rod 31-3.

The fixing body 35 has a fixing groove 35-1 to which the support rod 31-3 is coupled, and has an inclined bottom surface. The fixing body 35 is supported on the upper end of the lower arm constituting the suspension of the vehicle. In addition, a bolt hole is formed in the fixing groove 35-1, and the support rod 31-3 and the fixing body 35 seated in the fixing groove 35-1 are fixed by the bolt.

The shock absorber is positioned inside the upper housing 10 and the lower housing 30 configured as described above, and is interlocked with the operation of the shock absorber. In addition, by adjusting the difference in the damping force of the front and rear suspensions by adjusting the positions of the upper housing 11 and the upper coupling body 12, the difference in damping force is reduced, thereby suppressing the rolling and tilting of the vehicle and achieving stable driving.

The auxiliary shock absorber device of the present invention configured as described above has two types of SUVs, campers, 1-ton trucks, or existing shock absorbers installed in vehicles converted into vehicles for camping. Alternatively, it is possible to adjust the damping force with the front suspension by installing it alone without being coupled to the existing shock absorber (1).

First, a process of installing the auxiliary shock absorber device of the present invention to the existing shock absorber will be described with reference to FIGS. 6 and 7 .

6 is an installation state diagram illustrating a state in which the auxiliary shock absorber device of the present invention is installed on the rear side of the vehicle in combination with an existing shock absorber, and FIG. 7 is an installation state diagram showing a state in which the auxiliary shock absorber device of the present invention is independently installed.

6 and 7, in a state in which the upper housing 11 of the upper coupling part 10 is coupled to the cover 1-3 of the conventional shock absorber 1, the upper fixture 14 is attached to the existing shock It is coupled to the upper housing 11 using a bolt in a state in which it is closely attached to the upper coupling ring (1-4) of the absorber (1).

In the state in which the upper housing 11 and the upper fixing body 14 are fixed to the existing shock absorber 1, the fixing nut 13 is screwed to the upper housing 11, and the upper coupling body 12 is screwed into the upper housing 11 ) and screwed together.

In a state in which the upper coupling body 12 is installed to be positioned on the outer periphery of the cover 1-3 of the existing shock absorber 1 , the elastic body 20 is coupled to the existing shock absorber 1 . And the fixing member 33 coupled to the bushing coupling groove is coupled to the lower housing 31 using a bolt to the lower housing 31 in a state where the fixing member 33 is coupled to the lower coupling body 32 .

The fixing member 33 and the lower coupling body 32 are coupled to be positioned on the outer periphery of the tube 1-1 of the existing shock absorber 1 in a state in which the lower housing 31 is coupled to the lower portion of the elastic body 20. is supported by the lower assembly 32 .

A lower fixing body 34 at the lower end of the lower housing 31 in a state in which the lower coupling ring 1-2 of the existing shock absorber 1 is seated in the lower seating groove 31-1 of the lower housing 31 ) and fix it using bolts.

Adjust the position of the upper coupling body 12 of the upper coupling part 10 in the state in which the upper coupling part 10, the elastic body 20, and the lower coupling part 30 are installed in the existing shock absorber 1 as described above, and , When the damping force with the front suspension is properly adjusted, the position of the upper coupling body 12 is fixed through the fixing nut 13 so that the adjusted elastic force of the elastic body 20 is maintained.

As the elastic force of the elastic body 20 is adjusted as described above, the rolling and leaning phenomenon of the vehicle is reduced by reducing the difference in the damping force between the front and rear suspensions of SUVs, campers, 1-ton trucks, or vehicles that have been converted into vehicles for camping. It is restrained and stable driving is achieved.

And when the existing shock absorber 1 is not installed in the rear suspension of the vehicle, the auxiliary shock absorber device of the present invention is installed alone to adjust the damping force with the front suspension.

In the case of installing the auxiliary shock absorber device of the present invention alone, a separate member such as the upper coupling ring 1-4 of the existing shock absorber 1 is installed on the vehicle body.

And when the spring clip plate that is combined with the U bolt and installed on the lower part of the leaf spring is configured, it is not necessary to install a separate member because the lower coupling part 30 can be fixed, but if the spring clip plate is not configured Since the lower coupling part 30 cannot be fixed, it is preferable to install a member such as the lower coupling ring (1-2) of the existing shock absorber.

In order to install the auxiliary shock absorber device of the present invention alone, first, the fixing nut 13 and the upper coupling body 12 are coupled to the upper housing 11, and the upper coupling of the existing shock absorber 1 installed in the vehicle body in advance. In a state in which a separate member such as a ring (1-4) is coupled to the upper seating groove (11-1) of the upper housing (11), the upper fixing body (14) is fixed to the upper end of the upper housing (11) by using a bolt. do.

And the lower housing 31 to which the fixing member 33 and the lower coupling body 32 are coupled to the bushing coupling groove 33-1 is prepared.

In a state in which the elastic body 20 is coupled to the coupling protrusion 12-1 of the upper coupling body 12, the lower housing 31 to which the fixing member 33 and the lower coupling body 32 are coupled is attached to the lower part of the elastic body 20. combined to support In a state where a member such as the lower coupling ring (1-2) of the existing shock absorber installed in advance on the rear suspension side is positioned in the lower seating groove (31-1) of the lower housing 31, the lower fixture 34 is brought into close contact, Fix it using bolts.

The elastic body 20 is positioned between the upper coupling body 12 of the upper coupling part 10 and the lower coupling body 32 of the lower coupling part 30 and fixed through the fixing nut 13 .

As described above, in the state in which the auxiliary shock absorber device of the present invention is installed alone, the upper coupling body 12 is rotated to adjust the difference in the damping force of the front and rear suspensions of the vehicle to adjust the elastic force of the elastic body 20, and fix it It is fixed with a nut (13) so that the damping force is adjusted.

By the auxiliary shock absorber device of the present invention installed as described above, the difference in the damping force between the front and rear suspensions of SUVs, campers, 1-ton trucks, or vehicles converted from existing vehicles into vehicles for camping, etc. By controlling the position of the assembly 12 to reduce the difference in damping force, the rolling and sudden inclination of the vehicle is suppressed, thereby achieving stable driving.

As described above, by being coupled to the existing rear shock absorber installed on the rear side of the vehicle, it is easy to install, has the advantage of not being limited by space due to installation, and is independent of the rear side of the vehicle in which the rear shock absorber is not installed. By installing it, there is also the advantage of controlling the damping force with the suspension installed in the front of the vehicle to suppress the occurrence of rolling and increase the riding comfort.

The auxiliary shock absorber device of the present invention may be configured differently as shown in FIG. 5, and this configuration may be modified and implemented in various forms depending on the type of vehicle.

While this specification contains numerous specific implementation details, they should not be construed as limitations on the scope of any invention or of what may be claimed, but rather as descriptions of features that may be specific to particular embodiments of the particular invention. should be understood

On the other hand, the embodiments of the present invention disclosed in the present specification and drawings are merely presented as specific examples to aid understanding, and are not intended to limit the scope of the present invention. It will be apparent to those of ordinary skill in the art to which the present invention pertains that other modifications based on the technical idea of the present invention can be implemented in addition to the embodiments disclosed herein.

1: Existing shock absorber 1-1: Tube
1-2: lower coupling ring 1-3: cover
1-4: upper coupling ring 10: upper coupling part
11: Upper housing 11-1: Upper seating groove
12: upper coupling body 12-1: coupling projection
13: fixing nut 14: upper fixing body
20: elastic body 30: lower coupling part
31: lower housing 31-1: lower seating groove
31-2: lower coupling protrusion 31-3: support rod
32: lower assembly 33: fixing member
33-1: bushing coupling groove 34: lower fixed body
35: fixed body 35-1: fixed groove

Claims (6)

an upper coupling part 10 for adjusting the damping force;
an elastic body 20 installed between the upper coupling part 10 and the lower coupling part 30;
Including; a lower coupling portion 30 coupled to the elastic body 20;
The upper coupling portion 10,
an upper housing 11 in which an upper hollow hole, a screw formed on the outer periphery, and an upper seating groove 11-1 are formed;
an upper coupling body 12 coupled to the upper housing 11 and the elastic body 20;
a fixing nut 13 screwed to the upper housing 11;
an upper fixing body 14 fixed to the upper housing 11 by bolts;
Auxiliary shock absorber device comprising a.
According to claim 1,
The upper coupling part 10, the elastic body 20 and the lower coupling part 30 are,
Auxiliary shock absorber device, characterized in that coupled to the existing shock absorber (1) is installed in the vehicle.
According to claim 1,
Auxiliary, characterized in that the upper coupling portion 10, the elastic body 20, and the lower coupling portion 30 are coupled and installed between the front or rear suspension of the vehicle alone without coupling with the existing shock absorber (1) shock absorber device.
4. The method according to any one of claims 1 to 3,
By adjusting the position of the upper housing 11 coupled to the upper coupling body 12 of the upper coupling part 10, the damping force is adjusted through the elastic force control of the elastic body 20, thereby suppressing rolling or abrupt tilting in either direction. Auxiliary shock absorber device, characterized in that so that the safe operation is made.
delete According to claim 1,
The lower coupling part 30,
a lower housing 31 having a lower hollow hole and a lower seating groove 31-1;
a lower coupling body 32 coupled to the upper end of the lower housing 31 to which the elastic body 20 is fixed;
a fixing member 33 having a plurality of bushing coupling grooves 33-1 to which the bushing is coupled to the outer periphery and coupled to the lower through-hole of the lower coupling body 32;
a lower fixture 34 coupled to the lower end of the lower housing 31 by a bolt;
Auxiliary shock absorber device comprising a.

Images